Remove legacy StartsWithASCII function.

components/variations/net/variations_http_header_provider.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/variations/net/variations_http_header_provider.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 79 matching lines @@
   default_trigger_id_set_.clear();
   std::vector<std::string> entries;
   base::SplitString(variation_ids, ',', &entries);
   for (std::vector<std::string>::const_iterator it = entries.begin();
        it != entries.end(); ++it) {
     if (it->empty()) {
       default_variation_ids_set_.clear();
       default_trigger_id_set_.clear();
       return false;
     }
-    bool trigger_id = base::StartsWithASCII(*it, "t", true);
+    bool trigger_id = base::StartsWith(*it, "t", base::CompareCase::SENSITIVE);
     // Remove the "t" prefix if it's there.
     std::string entry = trigger_id ? it->substr(1) : *it;
 
     int variation_id = 0;
     if (!base::StringToInt(entry, &variation_id)) {
       default_variation_ids_set_.clear();
       default_trigger_id_set_.clear();
       return false;
     }
     if (trigger_id)
@@ skipping 172 matching lines @@
     if (base::EndsWith(host, kSuffixesToSetHeadersFor[i],
                        base::CompareCase::INSENSITIVE_ASCII))
       return true;
   }
 
   return google_util::IsYoutubeDomainUrl(url, google_util::ALLOW_SUBDOMAIN,
                                          google_util::ALLOW_NON_STANDARD_PORTS);
 }
 
 }  // namespace variations